| Schlüsselqualifikation | key qualification |
| Disqualifikation | disqualification incapacity |
| Qualifikation | qualification |
| schlüsselfertig | ready for moving in ready for occupancy |
| Spielifikation | gamification |
| Klassifikation | classification |
| Schallisolation | soundproofing |
| Schlüsselkarte | keycard |
| schwache Deklination | weak declension |
| Schlüsselanhänger | keychain key chain key fob keyfob |
| Schlüsselbein | collarbone clavicle |
| Schlüsselfigur | central character key figure key person key player |
| Schlüsselfrage | key question |
| Schlüsselkind | latchkey kid |
| Schlüsselperson | key figure key person key player |
| Schlüsselschalter | key switch |
| Chronifikation | chronification |
| Elektrifikation | electrification |
| Falsifikation | falsification |
| Ossifikation | ossification |